balance the following equation.
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(j) C + 2 x H2SO4 ----> CO2 + 2 x H2O + 2 x SO2
(k) 2 x Pb3O4 ----> 6 x PbO + O2
(l) 4 x Al + 3 x O2 ----> 2 x Al2O3
(m) 2 x NO + O2 ----> 2 x NO2
Explanation:
The task is to make the number of elements on each side equal.
The method I have used to solve it is the Hit and Trial method.
To make it easier for beginners, write down the no. of each element on each side in rough as you go.
All the best.
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